Very impressive entry! It's a very polished and fun-looking game.
The visuals are actually pretty simple, but there's subtle effects that make it feel really nice to play. I also appreciate not just the high contrast in the ship colors, but small differences that help the players pick up on them more easily.
On the mechanics side, I also think it's a very innovative and fun twist on the snake's formula. However, there was a few things that I didn't enjoy about the gameplay. For me, the active items are not a very good choice. They are very powerful for sure, but in this kind of chaotic, fast paced games I find myself to never be able to keep track of all of the information, and active items add to it. I can't even remember the button to activate it. So imo, it's not worth it to have active items in this kind of games. The text were also small in many places (I played on default size on the web), so it's a bit harder to read. The design choice of instant death if you hit the head into another color is also pretty unforgiving. I know it's reminiscent of classic Snake, but as a whole with your game, I feel it's way too punishing.
Overall, still a massively well made entry. Great job!